Futaba 4GRS - Manual (Page 53)

Use to adjust the neutral position
Move the cursor to "STR, THR,
CH3 and CH4" with the (JOG)
button.
Setting item
STR :Steering (1st channel)
THR :Throttle (2nd channel)
CH3 :3rd channel
CH4 :4th channel
Subtrim
Press
Press
(HOME screen)
(MENU 2 screen) (SUBTRIM screen)
Press
(MENU 1 screen)
Press
Select
"SUBTRIM "
Steering and throttle center trim
When assigning DT1, DT2, or other digital trim-
ming to another function, make adjustments at this
screen.
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Subtrim "SUBTR"
Use this function to adjust the neutral position of the steering, throttle, channel 3
and channel 4 servos.
(Preparation)
- Set the steering and throttle digital trims to the neutral "0" posi-
tion. Set CH3 and CH4 to the center "0" position.
1
(Subtrim adjustment)
Use the (+) or (-) button to adjust the center.
(Each channel can be set similarly.)
Subtrim adjustment
*Subtrim adjusts the entire range of
the servo in the set direction.
Subtrim "SUBTRIM" (All channel)
Adjust button
- Adjust with the (+) and (-) but-
tons.
- Return to the initial value "0"
by pressing the (+) and (-)
buttons simultaneously for
about 1 second.
Subtrim
ST :L100~R100
TH :B100~F100
CH3 :-100~+100
CH4 :-100~+100
Initial value : 0
Display to "REVERSE" screen by the following method:
2
When completed, move the cursor to [RT] by the (JOG) but-
ton, and return to the MENU1 screen by pressing the (JOG)
button.